Home / 26,548.18-36,636.60-15,218.34

Finding the Fourth Proportional to 26,548.18, 36,636.60 and 15,218.34

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Solution

The fourth proportional to 26,548.18, 36,636.60 and 15,218.34 is: 21,001.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,548.18 : 36,636.60 = 15,218.34 : x
  2. Step 2: Convert to fraction form
    26,548.18/36,636.60 = 15,218.34/x
  3. Step 3: Cross multiply
    26,548.18x = 36,636.60 × 15,218.34
  4. Step 4: Simplify right side
    26,548.18x = 557,548,235.24
  5. Step 5: Solve for x
    x = 557,548,235.24/26,548.18
  6. Step 6: Final answer
    x = 21,001.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.